The ____ folder is the default location for all saved messages.
A. Drafts
B. Documents
C. Messages
D. Downloads
Answer: A
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Answer the following statements true (T) or false (F)
1) Template parameter names among template definitions must be unique. 2) Each member-function definition outside its corresponding class template definition must begin with template and the same template parameters as its class template. 3) Concatenation of string objects can be performed with the addition assignment operator, +=. 4) Characters within a string begin at index 0. 5) The assignment operator, =, copies a string.
(Simple Calculator Application) In this exercise, you will add functionality to a simple calculator application. The calculator will allow a user to enter two numbers in the input JTextFields. There will be four JButtons, labeled +, -, / and *. When the user clicks the JButton labeled as + (addition), - (subtraction), * (multiplication) or / (division), the applica- tion will perform that operation on the numbers in the Enter first number: and Enter second number: input JTextFields and display the resultin the Result: output JTextField. Figure 5.34 displays the completed calculator.
a) Copying the template to your working directory. Copy the C:Examples Tutorial05ExercisesSimpleCalculator directory to your C:SimplyJava directory.
b) Opening the template file. Open the SimpleCalculator.java file in your text editor. c) Code the + JButton event handler. Scroll to the addJButtonActionPerformed
event handler (lines 215–218). After line 216 insert statements that obtain the user
input from firstNumberJTextField and secondNumberJTextField, convert those numbers to int values and assign the numbers to int variables number1 and number2, respectively. Next, insert a statement that adds the numbers and assigns the result to int variable result. Finally, insert a statement that displays the value of result in resultJTextField.
d) Code the - JButton event handler. Locate the subtractJButtonActionPerformed event handler (immediately following addJButtonActionPerformed). In the body of the event handler, insert statements that obtain the use
The processors that are found in just about all desktop and laptop computers are _____ compatible.
Fill in the blank(s) with the appropriate word(s).
One example of a neural network is a(n) ____ system that uses cameras to inspect objects and make determinations–for example, the systems that check products for defects at manufacturing plants.
A. telemetry B. vision C. indexing D. robotic